Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
truong va » truong dai, truong cao, truong dao
trung ha » trung hoc, trung tam, trung cap
van toan » van tuan, van tan, van thanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trung ha) or (truong va)) thong cong ((xuan toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung ha) OR (truong va)) thong cong ((xuan toan) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung ha) or (truong va)) thong cong ((xuan toan) or (van toan)) cau*.